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Photovoltaic systems allow you to directly and instantly transform the energy of solar radiation into electricity without the use of any fuel. They produce electricity where it is needed, require virtually no maintenance, do not harm the environment and offer the advantage of being built "to measure", according to the real needs of the user.
The fundamental component for this conversion is the photovoltaic cell, a thin small plate of semiconductor material. The photovoltaic cells are connected in series to form a sturdy and manageable structure called the photovoltaic module.
The photovoltaic panels are connected in series and are interfaced with an inverter, an electronic device that converts the direct current coming from the photovoltaic field into alternating current in order to make it immediately available. In order to optimize production, the solar panels must be arranged with an orientation as much as possible towards the direction of the geographic South and with an angle of inclination with respect to the optimal ground (this data varies according to the geographic location of installation).
A photovoltaic system can be designed to be isolated from the electricity grid and accumulate the energy produced inside batteries (Stand Alone), connected to the national electricity grid for the input and remuneration of the energy produced and not consumed (Grid Connected) or, with the current technological innovation, you can choose to install a "Hybrid" system that combines these two characteristics, where the energy produced by the system is stored in the batteries and, when they are fully charged, the extra energy is poured into the electricity grid to be subsequently remunerated (Storage).